Business Upside Get news analysis on Business, Tech, Finance, Entrepreneurship, Lifestyle, Health and Fitnessl, entertainment news and money saving tips.
@Business.Upside · Posted 08 Feb. 2021
In 2015, scientists detected gravitational waves for the very first time. They used a very sensitive instrument called LIGO (Laser Interferometer Gravitational-Wave Observatory). These first gravitational waves happened when two black holes crashed into one another. The collision happened 1.3 billion years ago.